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authorPeter Maydell2014-03-10 13:34:41 +0100
committerPeter Maydell2014-03-10 13:34:41 +0100
commite9d818b8b1a7fadc6c92256b716f1bc21b8daabc (patch)
treededd51d888b0a03d70d05cd6a55797bb832f4902
parentMerge remote-tracking branch 'remotes/juanquintela/tags/migration/20140308-1'... (diff)
parenttcg-aarch64: Remove nop from qemu_st slow path (diff)
downloadqemu-e9d818b8b1a7fadc6c92256b716f1bc21b8daabc.tar.gz
qemu-e9d818b8b1a7fadc6c92256b716f1bc21b8daabc.tar.xz
qemu-e9d818b8b1a7fadc6c92256b716f1bc21b8daabc.zip
Merge remote-tracking branch 'remotes/rth/tcg-aarch-6-1' into staging
* remotes/rth/tcg-aarch-6-1: tcg-aarch64: Remove nop from qemu_st slow path tcg-aarch64: Simplify tcg_out_ldst_9 encoding tcg-aarch64: Use intptr_t apropriately tcg-aarch64: Remove the shift_imm parameter from tcg_out_cmp tcg-aarch64: Hoist common argument loads in tcg_out_op tcg-aarch64: Don't handle mov/movi in tcg_out_op tcg-aarch64: Set ext based on TCG_OPF_64BIT tcg-aarch64: Change all ext variables to TCGType tcg-aarch64: Remove redundant CPU_TLB_ENTRY_BITS check tcg-aarch64: Enable builtin disassembler Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rwxr-xr-xconfigure6
-rw-r--r--tcg/aarch64/tcg-target.c284
2 files changed, 130 insertions, 160 deletions
diff --git a/configure b/configure
index 8689435ccf..af44b6ab05 100755
--- a/configure
+++ b/configure
@@ -4968,6 +4968,12 @@ for i in $ARCH $TARGET_BASE_ARCH ; do
echo "CONFIG_ALPHA_DIS=y" >> $config_target_mak
echo "CONFIG_ALPHA_DIS=y" >> config-all-disas.mak
;;
+ aarch64)
+ if test -n "${cxx}"; then
+ echo "CONFIG_ARM_A64_DIS=y" >> $config_target_mak
+ echo "CONFIG_ARM_A64_DIS=y" >> config-all-disas.mak
+ fi
+ ;;
arm)
echo "CONFIG_ARM_DIS=y" >> $config_target_mak
echo "CONFIG_ARM_DIS=y" >> config-all-disas.mak
diff --git a/tcg/aarch64/tcg-target.c b/tcg/aarch64/tcg-target.c
index 04d7ae328d..f43eb676bf 100644
--- a/tcg/aarch64/tcg-target.c
+++ b/tcg/aarch64/tcg-target.c
@@ -13,6 +13,11 @@
#include "tcg-be-ldst.h"
#include "qemu/bitops.h"
+/* We're going to re-use TCGType in setting of the SF bit, which controls
+ the size of the operation performed. If we know the values match, it
+ makes things much cleaner. */
+QEMU_BUILD_BUG_ON(TCG_TYPE_I32 != 0 || TCG_TYPE_I64 != 1);
+
#ifndef NDEBUG
static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
"%x0", "%x1", "%x2", "%x3", "%x4", "%x5", "%x6", "%x7",
@@ -66,24 +71,22 @@ static const int tcg_target_call_oarg_regs[1] = {
# endif
#endif
-static inline void reloc_pc26(void *code_ptr, tcg_target_long target)
+static inline void reloc_pc26(void *code_ptr, intptr_t target)
{
- tcg_target_long offset; uint32_t insn;
- offset = (target - (tcg_target_long)code_ptr) / 4;
+ intptr_t offset = (target - (intptr_t)code_ptr) / 4;
/* read instruction, mask away previous PC_REL26 parameter contents,
set the proper offset, then write back the instruction. */
- insn = *(uint32_t *)code_ptr;
+ uint32_t insn = *(uint32_t *)code_ptr;
insn = deposit32(insn, 0, 26, offset);
*(uint32_t *)code_ptr = insn;
}
-static inline void reloc_pc19(void *code_ptr, tcg_target_long target)
+static inline void reloc_pc19(void *code_ptr, intptr_t target)
{
- tcg_target_long offset; uint32_t insn;
- offset = (target - (tcg_target_long)code_ptr) / 4;
+ intptr_t offset = (target - (intptr_t)code_ptr) / 4;
/* read instruction, mask away previous PC_REL19 parameter contents,
set the proper offset, then write back the instruction. */
- insn = *(uint32_t *)code_ptr;
+ uint32_t insn = *(uint32_t *)code_ptr;
insn = deposit32(insn, 5, 19, offset);
*(uint32_t *)code_ptr = insn;
}
@@ -302,18 +305,8 @@ static inline void tcg_out_ldst_9(TCGContext *s,
TCGReg rd, TCGReg rn, tcg_target_long offset)
{
/* use LDUR with BASE register with 9bit signed unscaled offset */
- unsigned int mod, off;
-
- if (offset < 0) {
- off = (256 + offset);
- mod = 0x1;
- } else {
- off = offset;
- mod = 0x0;
- }
-
- mod |= op_type;
- tcg_out32(s, op_data << 24 | mod << 20 | off << 12 | rn << 5 | rd);
+ tcg_out32(s, op_data << 24 | op_type << 20
+ | (offset & 0x1ff) << 12 | rn << 5 | rd);
}
/* tcg_out_ldst_12 expects a scaled unsigned immediate offset */
@@ -327,7 +320,8 @@ static inline void tcg_out_ldst_12(TCGContext *s,
| op_type << 20 | scaled_uimm << 10 | rn << 5 | rd);
}
-static inline void tcg_out_movr(TCGContext *s, int ext, TCGReg rd, TCGReg src)
+static inline void tcg_out_movr(TCGContext *s, TCGType ext,
+ TCGReg rd, TCGReg src)
{
/* register to register move using MOV (shifted register with no shift) */
/* using MOV 0x2a0003e0 | (shift).. */
@@ -408,7 +402,8 @@ static inline void tcg_out_ldst(TCGContext *s, enum aarch64_ldst_op_data data,
}
/* mov alias implemented with add immediate, useful to move to/from SP */
-static inline void tcg_out_movr_sp(TCGContext *s, int ext, TCGReg rd, TCGReg rn)
+static inline void tcg_out_movr_sp(TCGContext *s, TCGType ext,
+ TCGReg rd, TCGReg rn)
{
/* using ADD 0x11000000 | (ext) | rn << 5 | rd */
unsigned int base = ext ? 0x91000000 : 0x11000000;
@@ -438,7 +433,7 @@ static inline void tcg_out_st(TCGContext *s, TCGType type, TCGReg arg,
}
static inline void tcg_out_arith(TCGContext *s, enum aarch64_arith_opc opc,
- int ext, TCGReg rd, TCGReg rn, TCGReg rm,
+ TCGType ext, TCGReg rd, TCGReg rn, TCGReg rm,
int shift_imm)
{
/* Using shifted register arithmetic operations */
@@ -454,7 +449,7 @@ static inline void tcg_out_arith(TCGContext *s, enum aarch64_arith_opc opc,
tcg_out32(s, base | rm << 16 | shift | rn << 5 | rd);
}
-static inline void tcg_out_mul(TCGContext *s, int ext,
+static inline void tcg_out_mul(TCGContext *s, TCGType ext,
TCGReg rd, TCGReg rn, TCGReg rm)
{
/* Using MADD 0x1b000000 with Ra = wzr alias MUL 0x1b007c00 */
@@ -463,7 +458,7 @@ static inline void tcg_out_mul(TCGContext *s, int ext,
}
static inline void tcg_out_shiftrot_reg(TCGContext *s,
- enum aarch64_srr_opc opc, int ext,
+ enum aarch64_srr_opc opc, TCGType ext,
TCGReg rd, TCGReg rn, TCGReg rm)
{
/* using 2-source data processing instructions 0x1ac02000 */
@@ -471,23 +466,23 @@ static inline void tcg_out_shiftrot_reg(TCGContext *s,
tcg_out32(s, base | rm << 16 | opc << 8 | rn << 5 | rd);
}
-static inline void tcg_out_ubfm(TCGContext *s, int ext, TCGReg rd, TCGReg rn,
- unsigned int a, unsigned int b)
+static inline void tcg_out_ubfm(TCGContext *s, TCGType ext, TCGReg rd,
+ TCGReg rn, unsigned int a, unsigned int b)
{
/* Using UBFM 0x53000000 Wd, Wn, a, b */
unsigned int base = ext ? 0xd3400000 : 0x53000000;
tcg_out32(s, base | a << 16 | b << 10 | rn << 5 | rd);
}
-static inline void tcg_out_sbfm(TCGContext *s, int ext, TCGReg rd, TCGReg rn,
- unsigned int a, unsigned int b)
+static inline void tcg_out_sbfm(TCGContext *s, TCGType ext, TCGReg rd,
+ TCGReg rn, unsigned int a, unsigned int b)
{
/* Using SBFM 0x13000000 Wd, Wn, a, b */
unsigned int base = ext ? 0x93400000 : 0x13000000;
tcg_out32(s, base | a << 16 | b << 10 | rn << 5 | rd);
}
-static inline void tcg_out_extr(TCGContext *s, int ext, TCGReg rd,
+static inline void tcg_out_extr(TCGContext *s, TCGType ext, TCGReg rd,
TCGReg rn, TCGReg rm, unsigned int a)
{
/* Using EXTR 0x13800000 Wd, Wn, Wm, a */
@@ -495,7 +490,7 @@ static inline void tcg_out_extr(TCGContext *s, int ext, TCGReg rd,
tcg_out32(s, base | rm << 16 | a << 10 | rn << 5 | rd);
}
-static inline void tcg_out_shl(TCGContext *s, int ext,
+static inline void tcg_out_shl(TCGContext *s, TCGType ext,
TCGReg rd, TCGReg rn, unsigned int m)
{
int bits, max;
@@ -504,28 +499,28 @@ static inline void tcg_out_shl(TCGContext *s, int ext,
tcg_out_ubfm(s, ext, rd, rn, bits - (m & max), max - (m & max));
}
-static inline void tcg_out_shr(TCGContext *s, int ext,
+static inline void tcg_out_shr(TCGContext *s, TCGType ext,
TCGReg rd, TCGReg rn, unsigned int m)
{
int max = ext ? 63 : 31;
tcg_out_ubfm(s, ext, rd, rn, m & max, max);
}
-static inline void tcg_out_sar(TCGContext *s, int ext,
+static inline void tcg_out_sar(TCGContext *s, TCGType ext,
TCGReg rd, TCGReg rn, unsigned int m)
{
int max = ext ? 63 : 31;
tcg_out_sbfm(s, ext, rd, rn, m & max, max);
}
-static inline void tcg_out_rotr(TCGContext *s, int ext,
+static inline void tcg_out_rotr(TCGContext *s, TCGType ext,
TCGReg rd, TCGReg rn, unsigned int m)
{
int max = ext ? 63 : 31;
tcg_out_extr(s, ext, rd, rn, rn, m & max);
}
-static inline void tcg_out_rotl(TCGContext *s, int ext,
+static inline void tcg_out_rotl(TCGContext *s, TCGType ext,
TCGReg rd, TCGReg rn, unsigned int m)
{
int bits, max;
@@ -534,24 +529,23 @@ static inline void tcg_out_rotl(TCGContext *s, int ext,
tcg_out_extr(s, ext, rd, rn, rn, bits - (m & max));
}
-static inline void tcg_out_cmp(TCGContext *s, int ext, TCGReg rn, TCGReg rm,
- int shift_imm)
+static void tcg_out_cmp(TCGContext *s, TCGType ext, TCGReg rn, TCGReg rm)
{
/* Using CMP alias SUBS wzr, Wn, Wm */
- tcg_out_arith(s, ARITH_SUBS, ext, TCG_REG_XZR, rn, rm, shift_imm);
+ tcg_out_arith(s, ARITH_SUBS, ext, TCG_REG_XZR, rn, rm, 0);
}
-static inline void tcg_out_cset(TCGContext *s, int ext, TCGReg rd, TCGCond c)
+static inline void tcg_out_cset(TCGContext *s, TCGType ext,
+ TCGReg rd, TCGCond c)
{
/* Using CSET alias of CSINC 0x1a800400 Xd, XZR, XZR, invert(cond) */
unsigned int base = ext ? 0x9a9f07e0 : 0x1a9f07e0;
tcg_out32(s, base | tcg_cond_to_aarch64[tcg_invert_cond(c)] << 12 | rd);
}
-static inline void tcg_out_goto(TCGContext *s, tcg_target_long target)
+static inline void tcg_out_goto(TCGContext *s, intptr_t target)
{
- tcg_target_long offset;
- offset = (target - (tcg_target_long)s->code_ptr) / 4;
+ intptr_t offset = (target - (intptr_t)s->code_ptr) / 4;
if (offset < -0x02000000 || offset >= 0x02000000) {
/* out of 26bit range */
@@ -582,11 +576,9 @@ static inline void tcg_out_goto_cond_noaddr(TCGContext *s, TCGCond c)
tcg_out32(s, insn);
}
-static inline void tcg_out_goto_cond(TCGContext *s, TCGCond c,
- tcg_target_long target)
+static inline void tcg_out_goto_cond(TCGContext *s, TCGCond c, intptr_t target)
{
- tcg_target_long offset;
- offset = (target - (tcg_target_long)s->code_ptr) / 4;
+ intptr_t offset = (target - (intptr_t)s->code_ptr) / 4;
if (offset < -0x40000 || offset >= 0x40000) {
/* out of 19bit range */
@@ -607,11 +599,9 @@ static inline void tcg_out_gotor(TCGContext *s, TCGReg reg)
tcg_out32(s, 0xd61f0000 | reg << 5);
}
-static inline void tcg_out_call(TCGContext *s, tcg_target_long target)
+static inline void tcg_out_call(TCGContext *s, intptr_t target)
{
- tcg_target_long offset;
-
- offset = (target - (tcg_target_long)s->code_ptr) / 4;
+ intptr_t offset = (target - (intptr_t)s->code_ptr) / 4;
if (offset < -0x02000000 || offset >= 0x02000000) { /* out of 26bit rng */
tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_TMP, target);
@@ -638,7 +628,7 @@ aarch64_limm(unsigned int m, unsigned int r)
to test a 32bit reg against 0xff000000, pass M = 8, R = 8.
to test a 32bit reg against 0xff0000ff, pass M = 16, R = 8.
*/
-static inline void tcg_out_tst(TCGContext *s, int ext, TCGReg rn,
+static inline void tcg_out_tst(TCGContext *s, TCGType ext, TCGReg rn,
unsigned int m, unsigned int r)
{
/* using TST alias of ANDS XZR, Xn,#bimm64 0x7200001f */
@@ -647,8 +637,8 @@ static inline void tcg_out_tst(TCGContext *s, int ext, TCGReg rn,
}
/* and a register with a bit pattern, similarly to TST, no flags change */
-static inline void tcg_out_andi(TCGContext *s, int ext, TCGReg rd, TCGReg rn,
- unsigned int m, unsigned int r)
+static inline void tcg_out_andi(TCGContext *s, TCGType ext, TCGReg rd,
+ TCGReg rn, unsigned int m, unsigned int r)
{
/* using AND 0x12000000 */
unsigned int base = ext ? 0x92400000 : 0x12000000;
@@ -663,9 +653,8 @@ static inline void tcg_out_ret(TCGContext *s)
void aarch64_tb_set_jmp_target(uintptr_t jmp_addr, uintptr_t addr)
{
- tcg_target_long target, offset;
- target = (tcg_target_long)addr;
- offset = (target - (tcg_target_long)jmp_addr) / 4;
+ intptr_t target = addr;
+ intptr_t offset = (target - (intptr_t)jmp_addr) / 4;
if (offset < -0x02000000 || offset >= 0x02000000) {
/* out of 26bit range */
@@ -701,21 +690,23 @@ static inline void tcg_out_goto_label_cond(TCGContext *s,
}
}
-static inline void tcg_out_rev(TCGContext *s, int ext, TCGReg rd, TCGReg rm)
+static inline void tcg_out_rev(TCGContext *s, TCGType ext,
+ TCGReg rd, TCGReg rm)
{
/* using REV 0x5ac00800 */
unsigned int base = ext ? 0xdac00c00 : 0x5ac00800;
tcg_out32(s, base | rm << 5 | rd);
}
-static inline void tcg_out_rev16(TCGContext *s, int ext, TCGReg rd, TCGReg rm)
+static inline void tcg_out_rev16(TCGContext *s, TCGType ext,
+ TCGReg rd, TCGReg rm)
{
/* using REV16 0x5ac00400 */
unsigned int base = ext ? 0xdac00400 : 0x5ac00400;
tcg_out32(s, base | rm << 5 | rd);
}
-static inline void tcg_out_sxt(TCGContext *s, int ext, int s_bits,
+static inline void tcg_out_sxt(TCGContext *s, TCGType ext, int s_bits,
TCGReg rd, TCGReg rn)
{
/* using ALIASes SXTB 0x13001c00, SXTH 0x13003c00, SXTW 0x93407c00
@@ -733,7 +724,7 @@ static inline void tcg_out_uxt(TCGContext *s, int s_bits,
tcg_out_ubfm(s, 0, rd, rn, 0, bits);
}
-static inline void tcg_out_addi(TCGContext *s, int ext,
+static inline void tcg_out_addi(TCGContext *s, TCGType ext,
TCGReg rd, TCGReg rn, unsigned int aimm)
{
/* add immediate aimm unsigned 12bit value (with LSL 0 or 12) */
@@ -753,7 +744,7 @@ static inline void tcg_out_addi(TCGContext *s, int ext,
tcg_out32(s, base | aimm | (rn << 5) | rd);
}
-static inline void tcg_out_subi(TCGContext *s, int ext,
+static inline void tcg_out_subi(TCGContext *s, TCGType ext,
TCGReg rd, TCGReg rn, unsigned int aimm)
{
/* sub immediate aimm unsigned 12bit value (with LSL 0 or 12) */
@@ -773,11 +764,6 @@ static inline void tcg_out_subi(TCGContext *s, int ext,
tcg_out32(s, base | aimm | (rn << 5) | rd);
}
-static inline void tcg_out_nop(TCGContext *s)
-{
- tcg_out32(s, 0xd503201f);
-}
-
#ifdef CONFIG_SOFTMMU
/* helper signature: helper_ret_ld_mmu(CPUState *env, target_ulong addr,
* int mmu_idx, uintptr_t ra)
@@ -801,7 +787,8 @@ static const void * const qemu_st_helpers[4] = {
static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
{
- reloc_pc19(lb->label_ptr[0], (tcg_target_long)s->code_ptr);
+ reloc_pc19(lb->label_ptr[0], (intptr_t)s->code_ptr);
+
tcg_out_movr(s, 1, TCG_REG_X0, TCG_AREG0);
tcg_out_movr(s, (TARGET_LONG_BITS == 64), TCG_REG_X1, lb->addrlo_reg);
tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_X2, lb->mem_index);
@@ -815,23 +802,21 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
tcg_out_movr(s, 1, lb->datalo_reg, TCG_REG_X0);
}
- tcg_out_goto(s, (tcg_target_long)lb->raddr);
+ tcg_out_goto(s, (intptr_t)lb->raddr);
}
static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *lb)
{
- reloc_pc19(lb->label_ptr[0], (tcg_target_long)s->code_ptr);
+ reloc_pc19(lb->label_ptr[0], (intptr_t)s->code_ptr);
tcg_out_movr(s, 1, TCG_REG_X0, TCG_AREG0);
tcg_out_movr(s, (TARGET_LONG_BITS == 64), TCG_REG_X1, lb->addrlo_reg);
tcg_out_movr(s, 1, TCG_REG_X2, lb->datalo_reg);
tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_X3, lb->mem_index);
- tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_X4, (tcg_target_long)lb->raddr);
+ tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_X4, (intptr_t)lb->raddr);
tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_TMP,
- (tcg_target_long)qemu_st_helpers[lb->opc & 3]);
+ (intptr_t)qemu_st_helpers[lb->opc & 3]);
tcg_out_callr(s, TCG_REG_TMP);
-
- tcg_out_nop(s);
tcg_out_goto(s, (tcg_target_long)lb->raddr);
}
@@ -893,7 +878,7 @@ static void tcg_out_tlb_read(TCGContext *s, TCGReg addr_reg,
(is_read ? offsetof(CPUTLBEntry, addr_read)
: offsetof(CPUTLBEntry, addr_write)));
/* Perform the address comparison. */
- tcg_out_cmp(s, (TARGET_LONG_BITS == 64), TCG_REG_X0, TCG_REG_X3, 0);
+ tcg_out_cmp(s, (TARGET_LONG_BITS == 64), TCG_REG_X0, TCG_REG_X3);
*label_ptr = s->code_ptr;
/* If not equal, we jump to the slow path. */
tcg_out_goto_cond_noaddr(s, TCG_COND_NE);
@@ -1088,16 +1073,23 @@ static inline void tcg_out_load_pair(TCGContext *s, TCGReg addr,
}
static void tcg_out_op(TCGContext *s, TCGOpcode opc,
- const TCGArg *args, const int *const_args)
+ const TCGArg args[TCG_MAX_OP_ARGS],
+ const int const_args[TCG_MAX_OP_ARGS])
{
- /* ext will be set in the switch below, which will fall through to the
- common code. It triggers the use of extended regs where appropriate. */
- int ext = 0;
+ /* 99% of the time, we can signal the use of extension registers
+ by looking to see if the opcode handles 64-bit data. */
+ TCGType ext = (tcg_op_defs[opc].flags & TCG_OPF_64BIT) != 0;
+
+ /* Hoist the loads of the most common arguments. */
+ TCGArg a0 = args[0];
+ TCGArg a1 = args[1];
+ TCGArg a2 = args[2];
+ int c2 = const_args[2];
switch (opc) {
case INDEX_op_exit_tb:
- tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_X0, args[0]);
- tcg_out_goto(s, (tcg_target_long)tb_ret_addr);
+ tcg_out_movi(s, TCG_TYPE_I64, TCG_REG_X0, a0);
+ tcg_out_goto(s, (intptr_t)tb_ret_addr);
break;
case INDEX_op_goto_tb:
@@ -1105,23 +1097,23 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
#error "USE_DIRECT_JUMP required for aarch64"
#endif
assert(s->tb_jmp_offset != NULL); /* consistency for USE_DIRECT_JUMP */
- s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf;
+ s->tb_jmp_offset[a0] = s->code_ptr - s->code_buf;
/* actual branch destination will be patched by
aarch64_tb_set_jmp_target later, beware retranslation. */
tcg_out_goto_noaddr(s);
- s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf;
+ s->tb_next_offset[a0] = s->code_ptr - s->code_buf;
break;
case INDEX_op_call:
if (const_args[0]) {
- tcg_out_call(s, args[0]);
+ tcg_out_call(s, a0);
} else {
- tcg_out_callr(s, args[0]);
+ tcg_out_callr(s, a0);
}
break;
case INDEX_op_br:
- tcg_out_goto_label(s, args[0]);
+ tcg_out_goto_label(s, a0);
break;
case INDEX_op_ld_i32:
@@ -1144,123 +1136,95 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
case INDEX_op_st16_i64:
case INDEX_op_st32_i64:
tcg_out_ldst(s, aarch64_ldst_get_data(opc), aarch64_ldst_get_type(opc),
- args[0], args[1], args[2]);
- break;
-
- case INDEX_op_mov_i64:
- ext = 1; /* fall through */
- case INDEX_op_mov_i32:
- tcg_out_movr(s, ext, args[0], args[1]);
- break;
-
- case INDEX_op_movi_i64:
- tcg_out_movi(s, TCG_TYPE_I64, args[0], args[1]);
- break;
- case INDEX_op_movi_i32:
- tcg_out_movi(s, TCG_TYPE_I32, args[0], args[1]);
+ a0, a1, a2);
break;
case INDEX_op_add_i64:
- ext = 1; /* fall through */
case INDEX_op_add_i32:
- tcg_out_arith(s, ARITH_ADD, ext, args[0], args[1], args[2], 0);
+ tcg_out_arith(s, ARITH_ADD, ext, a0, a1, a2, 0);
break;
case INDEX_op_sub_i64:
- ext = 1; /* fall through */
case INDEX_op_sub_i32:
- tcg_out_arith(s, ARITH_SUB, ext, args[0], args[1], args[2], 0);
+ tcg_out_arith(s, ARITH_SUB, ext, a0, a1, a2, 0);
break;
case INDEX_op_and_i64:
- ext = 1; /* fall through */
case INDEX_op_and_i32:
- tcg_out_arith(s, ARITH_AND, ext, args[0], args[1], args[2], 0);
+ tcg_out_arith(s, ARITH_AND, ext, a0, a1, a2, 0);
break;
case INDEX_op_or_i64:
- ext = 1; /* fall through */
case INDEX_op_or_i32:
- tcg_out_arith(s, ARITH_OR, ext, args[0], args[1], args[2], 0);
+ tcg_out_arith(s, ARITH_OR, ext, a0, a1, a2, 0);
break;
case INDEX_op_xor_i64:
- ext = 1; /* fall through */
case INDEX_op_xor_i32:
- tcg_out_arith(s, ARITH_XOR, ext, args[0], args[1], args[2], 0);
+ tcg_out_arith(s, ARITH_XOR, ext, a0, a1, a2, 0);
break;
case INDEX_op_mul_i64:
- ext = 1; /* fall through */
case INDEX_op_mul_i32:
- tcg_out_mul(s, ext, args[0], args[1], args[2]);
+ tcg_out_mul(s, ext, a0, a1, a2);
break;
case INDEX_op_shl_i64:
- ext = 1; /* fall through */
case INDEX_op_shl_i32:
- if (const_args[2]) { /* LSL / UBFM Wd, Wn, (32 - m) */
- tcg_out_shl(s, ext, args[0], args[1], args[2]);
+ if (c2) { /* LSL / UBFM Wd, Wn, (32 - m) */
+ tcg_out_shl(s, ext, a0, a1, a2);
} else { /* LSL / LSLV */
- tcg_out_shiftrot_reg(s, SRR_SHL, ext, args[0], args[1], args[2]);
+ tcg_out_shiftrot_reg(s, SRR_SHL, ext, a0, a1, a2);
}
break;
case INDEX_op_shr_i64:
- ext = 1; /* fall through */
case INDEX_op_shr_i32:
- if (const_args[2]) { /* LSR / UBFM Wd, Wn, m, 31 */
- tcg_out_shr(s, ext, args[0], args[1], args[2]);
+ if (c2) { /* LSR / UBFM Wd, Wn, m, 31 */
+ tcg_out_shr(s, ext, a0, a1, a2);
} else { /* LSR / LSRV */
- tcg_out_shiftrot_reg(s, SRR_SHR, ext, args[0], args[1], args[2]);
+ tcg_out_shiftrot_reg(s, SRR_SHR, ext, a0, a1, a2);
}
break;
case INDEX_op_sar_i64:
- ext = 1; /* fall through */
case INDEX_op_sar_i32:
- if (const_args[2]) { /* ASR / SBFM Wd, Wn, m, 31 */
- tcg_out_sar(s, ext, args[0], args[1], args[2]);
+ if (c2) { /* ASR / SBFM Wd, Wn, m, 31 */
+ tcg_out_sar(s, ext, a0, a1, a2);
} else { /* ASR / ASRV */
- tcg_out_shiftrot_reg(s, SRR_SAR, ext, args[0], args[1], args[2]);
+ tcg_out_shiftrot_reg(s, SRR_SAR, ext, a0, a1, a2);
}
break;
case INDEX_op_rotr_i64:
- ext = 1; /* fall through */
case INDEX_op_rotr_i32:
- if (const_args[2]) { /* ROR / EXTR Wd, Wm, Wm, m */
- tcg_out_rotr(s, ext, args[0], args[1], args[2]);
+ if (c2) { /* ROR / EXTR Wd, Wm, Wm, m */
+ tcg_out_rotr(s, ext, a0, a1, a2);
} else { /* ROR / RORV */
- tcg_out_shiftrot_reg(s, SRR_ROR, ext, args[0], args[1], args[2]);
+ tcg_out_shiftrot_reg(s, SRR_ROR, ext, a0, a1, a2);
}
break;
case INDEX_op_rotl_i64:
- ext = 1; /* fall through */
case INDEX_op_rotl_i32: /* same as rotate right by (32 - m) */
- if (const_args[2]) { /* ROR / EXTR Wd, Wm, Wm, 32 - m */
- tcg_out_rotl(s, ext, args[0], args[1], args[2]);
+ if (c2) { /* ROR / EXTR Wd, Wm, Wm, 32 - m */
+ tcg_out_rotl(s, ext, a0, a1, a2);
} else {
- tcg_out_arith(s, ARITH_SUB, 0,
- TCG_REG_TMP, TCG_REG_XZR, args[2], 0);
- tcg_out_shiftrot_reg(s, SRR_ROR, ext,
- args[0], args[1], TCG_REG_TMP);
+ tcg_out_arith(s, ARITH_SUB, 0, TCG_REG_TMP, TCG_REG_XZR, a2, 0);
+ tcg_out_shiftrot_reg(s, SRR_ROR, ext, a0, a1, TCG_REG_TMP);
}
break;
case INDEX_op_brcond_i64:
- ext = 1; /* fall through */
- case INDEX_op_brcond_i32: /* CMP 0, 1, cond(2), label 3 */
- tcg_out_cmp(s, ext, args[0], args[1], 0);
- tcg_out_goto_label_cond(s, args[2], args[3]);
+ case INDEX_op_brcond_i32:
+ tcg_out_cmp(s, ext, a0, a1);
+ tcg_out_goto_label_cond(s, a2, args[3]);
break;
case INDEX_op_setcond_i64:
- ext = 1; /* fall through */
case INDEX_op_setcond_i32:
- tcg_out_cmp(s, ext, args[1], args[2], 0);
- tcg_out_cset(s, 0, args[0], args[3]);
+ tcg_out_cmp(s, ext, a1, a2);
+ tcg_out_cset(s, 0, a0, args[3]);
break;
case INDEX_op_qemu_ld8u:
@@ -1300,44 +1264,50 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_qemu_st(s, args, 3);
break;
- case INDEX_op_bswap64_i64:
- ext = 1; /* fall through */
case INDEX_op_bswap32_i64:
+ /* Despite the _i64, this is a 32-bit bswap. */
+ ext = 0;
+ /* FALLTHRU */
+ case INDEX_op_bswap64_i64:
case INDEX_op_bswap32_i32:
- tcg_out_rev(s, ext, args[0], args[1]);
+ tcg_out_rev(s, ext, a0, a1);
break;
case INDEX_op_bswap16_i64:
case INDEX_op_bswap16_i32:
- tcg_out_rev16(s, 0, args[0], args[1]);
+ tcg_out_rev16(s, 0, a0, a1);
break;
case INDEX_op_ext8s_i64:
- ext = 1; /* fall through */
case INDEX_op_ext8s_i32:
- tcg_out_sxt(s, ext, 0, args[0], args[1]);
+ tcg_out_sxt(s, ext, 0, a0, a1);
break;
case INDEX_op_ext16s_i64:
- ext = 1; /* fall through */
case INDEX_op_ext16s_i32:
- tcg_out_sxt(s, ext, 1, args[0], args[1]);
+ tcg_out_sxt(s, ext, 1, a0, a1);
break;
case INDEX_op_ext32s_i64:
- tcg_out_sxt(s, 1, 2, args[0], args[1]);
+ tcg_out_sxt(s, 1, 2, a0, a1);
break;
case INDEX_op_ext8u_i64:
case INDEX_op_ext8u_i32:
- tcg_out_uxt(s, 0, args[0], args[1]);
+ tcg_out_uxt(s, 0, a0, a1);
break;
case INDEX_op_ext16u_i64:
case INDEX_op_ext16u_i32:
- tcg_out_uxt(s, 1, args[0], args[1]);
+ tcg_out_uxt(s, 1, a0, a1);
break;
case INDEX_op_ext32u_i64:
- tcg_out_movr(s, 0, args[0], args[1]);
+ tcg_out_movr(s, 0, a0, a1);
break;
+ case INDEX_op_mov_i64:
+ case INDEX_op_mov_i32:
+ case INDEX_op_movi_i64:
+ case INDEX_op_movi_i32:
+ /* Always implemented with tcg_out_mov/i, never with tcg_out_op. */
default:
- tcg_abort(); /* opcode not implemented */
+ /* Opcode not implemented. */
+ tcg_abort();
}
}
@@ -1441,12 +1411,6 @@ static const TCGTargetOpDef aarch64_op_defs[] = {
static void tcg_target_init(TCGContext *s)
{
-#if !defined(CONFIG_USER_ONLY)
- /* fail safe */
- if ((1ULL << CPU_TLB_ENTRY_BITS) != sizeof(CPUTLBEntry)) {
- tcg_abort();
- }
-#endif
tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffffffff);
tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I64], 0, 0xffffffff);